Cita APA (7a ed.)

Laubenfels, M. W. d. (1953). Sponges of the Alaskan Arctic. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Laubenfels, M. W. de. Sponges of the Alaskan Arctic. Washington: Smithsonian Institution, 1953.

Cita MLA (8a ed.)

Laubenfels, M. W. de. Sponges of the Alaskan Arctic. Smithsonian Institution, 1953.